Jupiter's moon Io may host alien life in protected lava tubes. Now, Avi Loeb claims the anomalous interstellar object ...

The universe occasionally produces a huge surprise that proves physicists wrong, says Kip Thorne, who grew up in Logan, Utah, ...

Key Findings The moon once dismissed as the solar system's most hostile environment may now sit directly in the path of an ...

A celestial conjunction event featuring Venus and Spica is anticipated for November 3. Jupiter is expected to display a multi-phase transit phenomenon involving Io and its shadow, along with Europa's ...

Beneath Europa’s icy crust lies a hidden ocean that could harbor alien life. Follow the story from Galileo’s first glimpse of ...

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

FORGET the latest tarmac-tearing Lambo or racy EV – space cars are on the horizon, and we’re already seeing what they’ll look ...

November presents a dynamic celestial calendar, with Mercury transitioning from the evening to morning sky and Venus's visibility diminishing throughout the month. The gas giants Jupiter, Saturn, ...

In proposing its new plan for Starship, SpaceX also rejected the notion that progress for the world's largest rocket has been too slow. NASA is looking to return Americans to the surface of the moon ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic neighborhood yet.Related video ...